macio/pmu: Fix missing vmsd terminator

Fix missing terminator in VMStateDescription

Fixes: d811d61fSigned-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: NMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au>

hw/misc/macio/pmu.c

@@ -686,6 +686,7 @@ static const VMStateDescription vmstate_pmu_adb = {
         VMSTATE_TIMER_PTR(adb_poll_timer, PMUState),
         VMSTATE_UINT8(adb_reply_size, PMUState),
         VMSTATE_BUFFER(adb_reply, PMUState),
+        VMSTATE_END_OF_LIST()
     }
 };